Water filters, PFAS & microplastics

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  Water & microplastics · Explainer

  Do shower filters remove PFAS? What the evidence says

  Short answer: we found no evidence that shower filters remove PFAS, and health agencies say showering is a small part of PFAS exposure anyway. If you want one for chlorine, that’s a different job. Here’s how to tell the difference.

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  Water & microplastics · How-to

  How to find out what’s in your tap water (city supply or private well)

  Before you buy a filter, find out what you’re filtering. City water has a yearly report and public PFAS test data. Private wells have neither unless you test. Here’s where to look and what to ask.

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  Water & microplastics · Label decoder

  How to read a water filter certification: NSF/ANSI 42, 53, 58, 401 and P473

  A badge on the box doesn’t tell you what a filter was tested for. The standard number does. Here’s how to decode 42, 53, 58, 401 and the old P473, and how to check the one claim you care about.

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  Water & microplastics · Guide

  Microplastics at home: what to do, what’s hype and what the research shows

  Microplastics turn up in food, drinks, water and even human tissue. Whether they harm us at everyday levels is still an open question. Here’s a short list of cheap steps worth taking, then the headline claims lined up against the real studies.

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  Water & microplastics · Buying guide

  Water filters for PFAS: what works, what doesn’t and how to choose

  Not every filter handles PFAS, and a filter nobody maintains might make things worse. Start with your water report, pick a model certified for PFAS, and swap cartridges on schedule. Here’s how, plus what filters can and can’t do about microplastics.

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